 body {
            font-family: Arial, sans-serif;
        }
        .container {
            max-width: 400px;
            margin: 0 auto;
            padding: 20px;
        }
        h2 {
            text-align: center;
        }
        label {
            display: block;
            margin-bottom: 10px;
        }
        input[type="text"], input[type="password"] {
            width: 100%;
            padding: 10px;
            margin-bottom: 20px;
        }
        input[type="submit"] {
            width: 100%;
            padding: 10px;
            background-color: #4CAF50;
            color: white;
            border: none;
            cursor: pointer;
        }
        input[type="submit"]:hover {
            background-color: #45a049;
        }